Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF WBB1-8702 R

WBB1-8702 R

Dimensions

d		2.5	mm
D		8	mm
B		2.5	mm
d₁	≈	4.35	mm
D₁	≈	6.65	mm
D₃		9.2	mm
C		0.6	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	4.1	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.319	kN
Basic static load rating	C₀	0.09	kN
Fatigue load limit	P_u	0.004	kN
Reference speed		150000	r/min
Limiting speed		95000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	6.1

Mass

Mass bearing

0.0005

Model Number: WBB1-8702 R
Inner Diameter：2.5mm Outer Diameter：8mm Width：2.5mm
Reference speed:95000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:decoration machinery,Antenna Industry,security equipment,tooth filling,Microwave Equipment,Spectral Products,Gas turbine,water protection,food safety,Textile Accessories,wheel lathe
Similar models:WBB1-8702 WBB1-8702 R
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Model No. Inner Diameter Outer Diameter Width Type

13875
NUP 228 ECJ
RNAO 50x65x40
SSAFS 22538 T
W 6209-2RZ

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Model No.	Inner Diameter	Outer Diameter	Width	Type
13875
NUP 228 ECJ
RNAO 50x65x40
SSAFS 22538 T
W 6209-2RZ